Predicting portal venous anomalies by left-sided gallbladder or right-sided ligamentum teres hepatis: A large scale, propensity score-matched study

doi:10.3748/wjg.v29.i27.4344

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastroenterol. Jul 21, 2023; 29(27): 4344-4355
Published online Jul 21, 2023. doi: 10.3748/wjg.v29.i27.4344

Table 2 Demographics and clinical characteristics of the 36 patients with left-sided gallbladder stratified by location of ligamentum teres

Variables		RSLT (n = 25)	Typical LT (n = 11)	P value
Sex (men), n (%)	-	17 (68.0)	6 (54.5)	0.439
Age (yr)	-	61.4 ± 18.2	55.5 ± 20.8	0.401
Comorbidity, n (%)	Hepatitis B virus carrier	5 (20.0)	1 (9.1)	0.643
	Hepatitis C virus carrier	0 (0.0)	1 (9.1)	0.306
	Hepatocellular carcinoma (HCC)	2 (8.0)	2 (18.2)	0.570
	Non-HCC malignancy	13 (52.0)	5 (45.5)	0.717
	Cardiovascular disease	7 (28.0)	3 (27.3)	1.000
	Chronic kidney disease	4 (16.0)	0 (0.0)	0.290
	Diabetes mellitus	6 (24.0)	0 (0.0)	0.148
Outcomes
Major portal vein anomalies¹, n (%)	Overall	20 (80.0)	2 (18.2)	0.001²
	Independent right lateral type	13 (52.0)	1 (9.1)	0.025
	Trifurcation	6 (24.0)	1 (9.1)	0.400
	Absence of R’t PV	1 (4.0)	0 (0.0)	> 0.99

¹Positive predictive value of left-sided gallbladder in portal vein anomalies = 61.1%.

²Logistic regression: Odds ratio= 18; 95% confidence interval: 2.92-110.96; P = 0.002.

LGB: Left-sided gallbladder; HCC: Hepatocellular carcinoma; RSLT: Right-sided ligamentum teres; LT: Ligamentum teres.

Citation: Lin HY, Lee RC, Chai JW, Hsu CY, Chou Y, Hwang HE, Liu CA, Chiu NC, Yen HH. Predicting portal venous anomalies by left-sided gallbladder or right-sided ligamentum teres hepatis: A large scale, propensity score-matched study. World J Gastroenterol 2023; 29(27): 4344-4355
URL: https://www.wjgnet.com/1007-9327/full/v29/i27/4344.htm
DOI: https://dx.doi.org/10.3748/wjg.v29.i27.4344